ISL6226 datasheet(2/17 Pages) INTERSIL

部件名	ISL6226

功能描述	Advanced PWM and Linear Power Controller for Portable Applications

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制造商	INTERSIL [Intersil Corporation]

网页	http://www.intersil.com/cda/home

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Electrical Specifications Operating Conditions: Vcc = 5V, TA = -10oC to 85oC, Unless Otherwise Noted.

Absolute Maximum Ratings

Thermal Information

Bias Voltage, Vcc. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to + 7V

Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +30.0V

Phase and Isen Pins . . . . . . . . . . . . . . . . . . . . . GND-0.3V to +30.0V

Boot and Ugate Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 35.0V

BOOT with respect to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . .+ 7.0V

Imax for LINDR Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70mA

All other pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to 7V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1

Recommended Operating Conditions

Bias Voltage, Vcc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+

%

Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.6V to +24.0V

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . -10oC to 85oC

Junction Temperature Range. . . . . . . . . . . . . . . . . . -10oC to 125oC

Thermal Resistance (Typical, Note 1)

θJA (oC/W)

SSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Maximum Junction Temperature (Plastic Package) . . 150oC

Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300oC

(SSOP - Lead Tips Only)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VCC SUPPLY

Bias Current

ICC

LGATE, UGATE Open, VSEN forced above

regulation point (Fs = 300K Hz)

-

1100

-

µA

Bias Current

ICC

LGATE, UGATE Open, VSEN forced above

regulation point (Fs = 600K Hz)

-

1100

-

µA

Shut-down Current

ICCSN

-5

25

µA

VCC UVLO

Rising Vcc Threshold

4.30

-

4.65

V

Falling Vcc Threshold

4.1

-

4.45

V

Vcc Hysterises

30

500

mV

VIN

Input Voltage Pin Current (Sink)

IVIN

VIN pin connected to the input voltage

source

10

20

30

µA

Input Voltage Pin Current (Source)

IVIN

VIN pin connected to ground

-7

-12

-17

µA

Shut-down Current

IVIN

--

1

µA

OSCILLATOR

PWM Oscillator Frequency

Fc1

VIN=3.5V -- 24V

255

300

345

kHz

PWM Oscillator Frequency

Fc2

VIN ≤0.5V

510

600

690

kHz

Ramp Amplitude, pk-pk

VR1

VIN= 16V

-

2

-

V

Ramp Amplitude, pk-pk

VR2

VIN≤5V

-

1.25

-

V

Ramp Offset

VROFF

-0.5

-

V

PWM CONTROLLER

REFERENCE AND SOFT START

PWM Internal Reference Voltage

VREF

-0.9

-

V

PWM Soft-Start Threshold

VSOFT

-1.5

-

V

Reference Voltage Accuracy

-2.0

-

+2.0

%

5.0V 5

±

ISL6226

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